Q.
Consider the following statements and select the correct statement(s).
I. $1$ calorie $=4.18$ joule
II. $ 1 \,\mathring{A}=10^{-10} m$
III. $ 1 \,MeV =1.6 \times 10^{-13}$ joule
IV. $1$ newton $=10^{-5}$ dyne
Physical World, Units and Measurements
Solution: